1102681 has 2 divisors, whose sum is σ = 1102682. Its totient is φ = 1102680.

The previous prime is 1102679. The next prime is 1102691. The reversal of 1102681 is 1862011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 810000 + 292681 = 900^2 + 541^2 .

It is a cyclic number.

It is not a de Polignac number, because 1102681 - 2¹ = 1102679 is a prime.

It is a super-2 number, since 2×1102681² = 2431810775522, which contains 22 as substring.

Together with 1102679, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1102691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551340 + 551341.

It is an arithmetic number, because the mean of its divisors is an integer number (551341).

2^1102681 is an apocalyptic number.

It is an amenable number.

1102681 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102681 is an equidigital number, since it uses as much as digits as its factorization.

1102681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 1102681 is about 1050.0861869390. The cubic root of 1102681 is about 103.3118084429.

Adding to 1102681 its reverse (1862011), we get a palindrome (2964692).

The spelling of 1102681 in words is "one million, one hundred two thousand, six hundred eighty-one".